Giải thích sự giống nhau và khác nhau giữa tăng năng suất lao động với tăng cường độ lao động. Liên hệ vào phát triển sản xuất hàng hóa ở nước ta hiện nay?

What city was taken back by sumerians in 2100 bc

Why were inventors essential or necessary for an industrial revolution to happen in america

The fourteenth amendment how did the action resolve a longstanding conflict in post-civil war america? it defined the process for readmittance of the former confederate states into the united states of america. it ensured the right to vote to all male citizens of the united states, regardless of race, color, or prior servitude. it defined citizenship and related rights for african americans. it abolished slavery in the united states.